RE: Disable WAL logging to speed up data loading

[tsunakawa.ta...@fujitsu.com]

From: Osumi, Takamichi/大墨 昂道 <osumi.takami...@fujitsu.com>
> This time, I updated my patch to address comments below only.

I forgot to mentionthis.  I confirmed all review comments are reflected 
correctly.


Regards
Takayuki Tsunakawa